78-9000-5020-0 Rev C  17
i.  Depth Units   – Choose unit of 
measure; in, ft-in, or cm.
j.  Marker Type – enable and disable marker 
utility types.
k.  Tone/Freq - External Port or Tone 
Frequencies – enable and disable frequencies 
that are detectable through the external port 
of the receiver. 
l.  >>More - Returns to rst SETUP MENU 
display.
6.  S/N#: Displays information about unit and can 
perform a self check test.
7.  Help  : Offers the user on-screen 
instructions.
8.  >>More: Returns to rst Main Menu screen.